Search results
Results from the WOW.Com Content Network
A positive cryptococcal antigen test may precede symptoms by 3 weeks in those with HIV/AIDS. Others may have re-activation of latent cryptococcal disease years later. In those with HIV, approximately 50% of people have a fever, but fever is rare in previously healthy and immunocompetent people with cryptococcosis.
Cryptococcal antigen from cerebrospinal fluid is thought to be the best test for diagnosis of cryptococcal meningitis in terms of sensitivity, though it might be unreliable in HIV-positive patients. [12] The first genome sequence for a strain of C. neoformans (var. neoformans; now C. deneoformans) was published in 2005. [5]
Cryptococcus gattii, formerly known as Cryptococcus neoformans var. gattii, is an encapsulated yeast found primarily in tropical and subtropical climates. Its teleomorph is Filobasidiella bacillispora , a filamentous fungus belonging to the class Tremellomycetes .
The name refers to the two types of symptoms in schizophrenia, as defined by the American Psychiatric Association: positive symptoms, which refer to an excess or distortion of normal functions (e.g., hallucinations and delusions), and negative symptoms, which represent a diminution or loss of normal functions. Some of these functions which may ...
The early idea that a person with schizophrenia might present solely with symptoms and indications of deterioration (i.e. presenting with no accessory symptoms [18] [19]) was identified as dementia simplex. [20] ICD-10 specifies the continuation of symptoms for a period of two years in the diagnosis of simple schizophrenia.
In other words, an individual does not have to be experiencing delusions or hallucinations to receive a diagnosis of schizophrenia. A second symptom could be negative symptoms, or severely disorganized or catatonic behavior. [5] Only two symptoms are required for a diagnosis of schizophrenia, resulting in different presentations for the same ...
The hook effect refers to the prozone phenomenon, also known as antibody excess, or the postzone phenomenon, also known as antigen excess. It is an immunologic phenomenon whereby the effectiveness of antibodies to form immune complexes can be impaired when concentrations of an antibody or an antigen are very high.
The prevalence of schizophrenia in adults age 65 and older ranges from 0.1 to 0.5%. [21] Aging is associated with exacerbation of schizophrenia symptoms. [22] Positive symptoms tend to lessen with age, but negative symptoms and cognitive impairments continue to worsen. [22] [23] [24]